2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76868We give a generalization and a short mechanized proof of determinant conjectured by G. Kuperberg and J. Propp. Further generalizations and applications of the method to some q-analogues may be found in http://www.math.temple.edu/~tewodros2 pages. See also http://www.math.temple.edu/~zeilberg/mamarim/mamarimhtml/rabbit.htmlCombinatoricstext